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Abstract

This document speciﬁes a generalized interface between an SMSC and non-PLMN SMEs.

......................................................................................................................52.1ESMEs to SMSC................................................................................................................52.2SMSC to ESME..................................................................................................................62.3Backward Compatibility......................................................................................................6

...........................................................................................................................95.1Initiation of Communication with SMSC..............................................................................95.2Steady-State Communication with the SMSC..................................................................105.3Terminating Communication with the SMSC....................................................................105.4Error Handling and Retransmission..................................................................................105.5Protocol Message Types..................................................................................................115.5.1ESME to SMSC...............................................................................................115.5.2SMSC to ESME...............................................................................................13